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Unit 1 Geology 1 Text A The Earth 1 Text B Science of the Earth 11 Unit 2 Age of the Earth 15 Text A Geologic Time 15 Text B Geologic Time Scale 27 Unit 3 Exodynamic Geology 31 Text A Weathering and Erosion 31 Text B Fluvial Process 42 Unit 4 Minerals 47 Text A Introduction to Minerals 47 Text B Important Minerals 58 Unit 5 Crystalline Rocks 62 Text A Igneous Rocks 62 Text B Metamorphic Rocks 72 Unit 6 Sedimentation 76 Text A Sediment 76 Text B Sedimentary Rocks 85 Unit 7 Economic Geology 89 Text A Ore Deposit 89 Text B Petroleum 98 Unit 8 Rock Deformation 102 Text A Folds 102 Text B Faults 112 Appendix A Glossary 118 Appendix B Keys to Exercises 131 Reference 149